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Jean Francois Formela, Director at Korro Bio, sold KRRO on Aug 19, 2026

Data as of Oct 16

▼ SELL$330K23,584 shares at $14.00Jean Francois Formela DirectorKRRO Korro Bio, Inc.
Watch KRRO
Traded
Aug 19, 2026
Disclosed
Aug 21, 2026
Filed
2 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Jean Francois Formela, Director at Korro Bio, sold KRRO on Aug 19, 2026TRADEDDISCLOSED
KRROSimilar stocks (S&P 500 (SPY)), rebased to KRRO's price on the disclosure day
KRRO since disclosure
−35.6%
after the sale
Similar stocks (SPY) since disclosure
−0.3%
S&P 500 (SPY)

Change in closing price from Aug 21, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLJean Francois Formela DirectorKRRO Korro Bio, Inc.$68.4Kdisclosed Aug 21 · filed 2 days after the trade

See every trade on KRRO →